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2,3,5,6-四甲基苯甲酸

2,3,5,6-四甲基苯甲酸名称

[ CAS 号 ]:
2604-45-7

[ 中文名 ]:
2,3,5,6-四甲基苯甲酸

[ 英文名 ]:
Benzoic acid,2,3,5,6-tetramethyl-

[英文别名 ]:

BENZOIC ACID,2,3,5,6-TETRAMETHYL
1.2.4.5-Tetramethyl-benzol-carbonsaeure-(3)
2,3,5,6-tetramethyl-benzoic acid
2,3,4,5-TETRAHYDRO-BENZO[C]AZEPIN-1-ONE
Durol-eso-carbonsaeure
EINECS 220-015-8
2,3,5,6-Tetramethyl-benzoesaeure
MFCD00013981

2,3,5,6-四甲基苯甲酸物理化学性质

[ 密度 ]:
1.066g/cm3

[ 沸点 ]:
310ºC at 760mmHg

[ 熔点 ]:
178-181ºC(lit.)

[ 分子式 ]:
C₁₁H₁₄O₂

[ 分子量 ]:
178.22800

[ 闪点 ]:
145.5ºC

[ 精确质量 ]:
178.09900

[ PSA ]:
37.30000

[ LogP ]:
2.61840

[ 蒸汽压 ]:
0.000266mmHg at 25°C

[ 折射率 ]:
1.54

2,3,5,6-四甲基苯甲酸MSDS

2,3,5,6-四甲基苯甲酸毒性和生态

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DH6835100

CHEMICAL NAME :: Benzoic acid, 2,3,5,6-tetramethyl-

CAS REGISTRY NUMBER :: 2604-45-7

BEILSTEIN REFERENCE NO. :: 2328778

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C11-H14-O2

MOLECULAR WEIGHT :: 178.25

WISWESSER LINE NOTATION :: QVR B1 C1 E1 F1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 750 mg/kg

TOXIC EFFECTS :: Behavioral - rigidity (including catalepsy) Behavioral - muscle contraction or spasticity

REFERENCE :: JMCMAR Journal of Medicinal Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB POB 57136, West End Stn., Washington, DC 20037) V.6- 1963- Volume(issue)/page/year: 11,1020,1968

2,3,5,6-四甲基苯甲酸安全信息

[ 个人防护装备 ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ 危险品运输编码 ]:
NONH for all modes of transport

[ WGK德国 ]:
3

[ RTECS号 ]:
DH6835100

[ 海关编码 ]:
2916399090

2,3,5,6-四甲基苯甲酸合成路线

2,3,5,6-四甲基苯甲酸上下游产品

2,3,5,6-四甲基苯甲酸上游产品

2,3,5,6-四甲基苯甲酸下游产品

2,3,5,6-四甲基苯甲酸海关

[ 海关编码 ]: 2916399090

[ 中文概述 ]:
2916399090 其他芳香一元羧酸. 增值税率:17.0% 退税率:9.0% 监管条件:无最惠国关税:6.5% 普通关税:30.0%

[ 申报要素 ]: 品名, 成分含量, 用途, 丙烯酸、丙烯酸盐或酯应报明包装

[ Summary ]:
2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%